30422860 has 48 divisors (see below), whose sum is σ = 72860256. Its totient is φ = 10570752.

The previous prime is 30422837. The next prime is 30422863. The reversal of 30422860 is 6822403.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30422863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 979 + ... + 7861.

It is an arithmetic number, because the mean of its divisors is an integer number (1517922).

Almost surely, 2^30422860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30422860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36430128).

30422860 is an abundant number, since it is smaller than the sum of its proper divisors (42437396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30422860 is a wasteful number, since it uses less digits than its factorization.

30422860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6922 (or 6920 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 30422860 is about 5515.6921596478. The cubic root of 30422860 is about 312.1763604061.

The spelling of 30422860 in words is "thirty million, four hundred twenty-two thousand, eight hundred sixty".